5mm HSS Cobalt Jobber Drill 1 2011-11

The metallic brown coloured low temperature temper treatment is normally only used on cobalt tools for identification purposes

Faster penetration reduces abrasion and friction along the cutting edges

in that the blade extends

1-3/4" 1" Drive Deep Impact Socket Imperial K2734 by Kincrome Virutex 5mm HSS Cobalt Jobber DrillKincrome Impact Sockets & Accessories are manufactured from Chrome Molybdenum Steel (Cr Mo), hardened and tempered to perform in extreme conditions They are designed to be used with Pneumatic and Power tools where higher torque and force is required Kincrome Impact Sockets and Accessories meet and exceed the following international standards ANSI, DIN 3121 & 3129